Public bug reported:
the left touchpad button of my lenovo g50 laptop stopped working in the kernel
upgrade 3.16.0-22 #29
The rest of the touchpad and the right button are still working.
the previous kernel version #27 worked fine
I have tried the mainline kernels and it is also affected from version 3.16.4
up to including the latest available ne 3.17.1.
mainline kernel 3.16.3 works.
ProblemType: Bug
DistroRelease: Ubuntu 14.10
Package: linux-image-3.16.0-22-generic 3.16.0-22.29
ProcVersionSignature: Ubuntu 3.16.0-22.29-generic 3.16.4
Uname: Linux 3.16.0-22-generic x86_64
ApportVersion: 2.14.7-0ubuntu5
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: jtaylor 3144 F.... pulseaudio
/dev/snd/controlC1: jtaylor 3144 F.... pulseaudio
CurrentDesktop: Unity
Date: Thu Oct 16 01:39:27 2014
HibernationDevice: RESUME=UUID=86457fb1-d8f8-46e4-9ad2-c85d69ec96f7
InstallationDate: Installed on 2014-08-23 (53 days ago)
InstallationMedia: Ubuntu 14.10 "Utopic Unicorn" - Alpha amd64 (20140822)
MachineType: LENOVO 20351
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.16.0-22-generic
root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-3.16.0-22-generic N/A
linux-backports-modules-3.16.0-22-generic N/A
linux-firmware 1.135
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 04/02/2014
dmi.bios.vendor: LENOVO
dmi.bios.version: 9ACN25WW
dmi.board.asset.tag: No Asset Tag
dmi.board.name: Lancer 5A2
dmi.board.vendor: LENOVO
dmi.board.version: NANANANANO DPK
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Lenovo G50-70
dmi.modalias:
dmi:bvnLENOVO:bvr9ACN25WW:bd04/02/2014:svnLENOVO:pn20351:pvrLenovoG50-70:rvnLENOVO:rnLancer5A2:rvrNANANANANODPK:cvnLENOVO:ct10:cvrLenovoG50-70:
dmi.product.name: 20351
dmi.product.version: Lenovo G50-70
dmi.sys.vendor: LENOVO
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug utopic
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https://bugs.launchpad.net/bugs/1381815
Title:
left touchpad button stopped working in 3.16.0-22.19
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